[nautilus/wip/antoniof/hidpi-and-icons-cleanup: 9/9] icon-info: Add HiDPI support for custom icons too




commit 0e50124590d02b6cd7a56f56985818e888a8892b
Author: António Fernandes <antoniof gnome org>
Date:   Mon Aug 8 00:38:58 2022 +0100

    icon-info: Add HiDPI support for custom icons too
    
    The properties dialog provides the ability to set a custom icon.
    
    These are not icon paintables, but rather loadable icons, just
    like thumbnails are. Therefore, they need to be snapshot into
    the real area too, otherwise they are going to be too large.

 src/nautilus-icon-info.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/src/nautilus-icon-info.c b/src/nautilus-icon-info.c
index b5754518c..c6b1e9a92 100644
--- a/src/nautilus-icon-info.c
+++ b/src/nautilus-icon-info.c
@@ -337,7 +337,7 @@ nautilus_icon_info_lookup (GIcon *icon,
     if (G_IS_LOADABLE_ICON (icon))
     {
         g_autoptr (GdkPixbuf) pixbuf = NULL;
-        g_autoptr (GdkTexture) texture = NULL;
+        g_autoptr (GdkPaintable) paintable = NULL;
         LoadableIconKey lookup_key;
         LoadableIconKey *key;
         GInputStream *stream;
@@ -376,10 +376,18 @@ nautilus_icon_info_lookup (GIcon *icon,
 
         if (pixbuf != NULL)
         {
-            texture = gdk_texture_new_for_pixbuf (pixbuf);
+            double width = gdk_pixbuf_get_width (pixbuf) / scale;
+            double height = gdk_pixbuf_get_height (pixbuf) / scale;
+            g_autoptr (GdkTexture) texture = gdk_texture_new_for_pixbuf (pixbuf);
+            g_autoptr (GtkSnapshot) snapshot = gtk_snapshot_new ();
+
+            gdk_paintable_snapshot (GDK_PAINTABLE (texture),
+                                    GDK_SNAPSHOT (snapshot),
+                                    width, height);
+            paintable = gtk_snapshot_to_paintable (snapshot, NULL);
         }
 
-        icon_info = nautilus_icon_info_new_for_paintable (GDK_PAINTABLE (texture), scale);
+        icon_info = nautilus_icon_info_new_for_paintable (paintable, scale);
 
         key = loadable_icon_key_new (icon, scale, size);
         g_hash_table_insert (loadable_icon_cache, key, icon_info);


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